Machine for forming hollow pulp articles.



3., 2 Gm U A D Ev T m T A P. QM R E .V I R H.. .,J. .8. 0 3v O0 6 7 o..v N.

4MACHINE VFOR FOR P ARTICLES'.

. APPLICATION FILED AUG. 2o, 190s.'

MING HOLLOW PDL No4 MODEL.

HUHHHF. HH l /w 2. 2222222.22 222222222/ .A 222222227/ A l 22222222NAAM. 22222222 2E H HEHE* wh'gichlisfcapable of being placed on fast and ""5 v'carried'shaft maybe=adjusted vertically. An yv"suitable mechanical meansmay be employedformoving this bearingup and' down, and such movement may be' manually o r niecl'ian-f 'Nen 768.308.

Patented August 23, 19154:.

.eN :F-l-STl- Lois MISSOURI, ASSGNoR .To uNnEii STATES FIBER" STOPPER QF. ST. LOUIS, MISSOURI. `yA coRPoRA'rioN ca -sourir DAKOTA..

.MA'eHiNE- F'i:Finwujue HOLLOW PULP/ARTICLES.

s BEcIm'cATIoN fornirig' part of Letters Patent No. 768,308, dated August 23, 1904."

y l j Application filed Ang-ust 20, 1903.` Serial No.17,123. (No m'odelJfy-f )'I'issouri, have invented a certain newand 'usefuly Improvement in Machines for Forming Hollow .Pulp Artioles,`ofwhich the following.- -1s a full,'c`lear, and eiact description, such as lwill enable others skilled in the art to .which it a cross-'sectional view on the line 3 Sof Fig.2.

'appertains tomake'an'd use the same, reference being had toftlie accompanying drawings,

Figureflisaside elevational view, partly ing ,hollo'w'pulp articles. Fig. Qis an en# .larged'iviewof the formingmold. Figf is Fig. is adet'ail view-of a portion of a hollow pulp article made by my improved machine, and Fig.. 5 is la modified form of distributer. 1

This invention relates to a new and useful lmprovementin machines for fornuug hollowl pulp articles; vand 1t consists 1n the formingmold, the feedingmechanism; Vand in 'the differential speeds between the feeding 'mechanisniandsaid forming-mold..`

@ther-features reside in the construction,

arrangement, and combination of the severalparts, all as will be hereinafter described and afterward-pointed out'in the claims.A

Inthed'rawings, 1 indicates a driving-belt loos'efpulleys 2 and 3, as is well understood.

'lhefshaft-y of vthese pulleys carries drivingpulleys tand 5', which d riving-pulleys arejof .diffe rentdiameters,said pulleys having mountyed thereon belts 6 andi', which pass over pul- The s'haft 10 is preferablvmounted upon-ja leys `81an'd 9, varranged on shafts -10 and- 11;

icallyi controlled, as isV well understood'. l :The

"shaft i1 is" prcferz'ibly mounted infn` liX- ed ckctlli, secured' toa suitable post or-s'up- I 'port 15, upon whichthe guideways13 ar also:A BeitknownthatLJULIAN HiRIvERsfacitr, i Zenof the United States, residing at St. Louis,

mounted. y A, Theupper end of shaft 11 carries ahead 16,

upon whichv is mounteda perforated hollow cylinder 1T. This cylinderV 17is preferably fixed to the head 16, although it may be removable, if desired. -Vithin the cylinderl 17 der 17 and mold18 for the passage ofwater,

the water inally escaping through the open= ings in cylinder'li'. These tongues, which are indicatedat v19, extend' in a longitudinal direction, and in operation after'the pulp is deposited against the inner face of the mold. 18 the said mold and its contained lining of pulp is removed fromfthe cylinder 17, after? which the pulp maybe slid endwise from the mold 18, the longitudinal disposition of the ltongues readily lending themselves tov this movement without oiiering'any obstruction.. Of course such movement would be in a downward direction, with the cylinder in the position shown in Fig. 2 or in a direction from thefre'e ends of the tongues toward their at tached portion. g f

The pulp and water is distributed through-- out the length of the mold 18 'by appropriate:

vention jto speed up these feeding devices whereby pulp and water are thrown outwardly by centrifugal foroeata speed equal to orgreater than the circumferential speed lofthe mold, In this wayin addition to the actionof centrifugal force upon the-pulp fibers deposited against the mold the said {ibex-sare thrown.

forcibly against themold and lie in layeisf'or stratawhich` are quite compacu- 0f!"cilllFSef thev compaotness of"vv the pulp article f'i :the course of formation depends uponthe c irctune f ferential speedof the mold. Empirically, I have' fou-nd., thatwhere the mold travels two feeding" devices, and it is a feature of my 'in-4 1 hundred and' seventy-five feet perl minute the' -density'of the pulp is about ten; grains perA cubic inch, and where it travels-four hundred;

and .seventy-two feet per minute aboutunncrv teen aiid'one-halfgrains per cubic inch ;'se'ven hundred and eighty-six Jfeet per minute, about `t liii t v-one and one-fourtl-i lgrains per cubic inch; seventeen hundred and seventvfeet per minute, about fifty-fou r grains per cubic inch g. twortliousau'd nine hundred and cubic ineli; four thousand three liundr'ed and eiglity-tli'ree feet per vin inutef'about ninetythree grains per cubic inch; live thousand eight hundred ,and -thirtvn'ine feet per niinu te.v about one hundred grain'spereubic inch; seven thousand 'three hundred feet per niinute. about one .liundredHan-d twelve grains per cubic inch.

rllhepulpand water when introduced into the mold approximate a'density offtwo grains per cubic ineh ofwater.v The pulp. fibers and the water aretliroivn eentrifugalljv against the l'inner surface of-tlie mold 18, upon which the fibersaredeposited, the water passing out- Yardly.tliroulgli the openings in the cylinder land niold 18.` The. circuinferential` speed vdetermines the density et' the pulp, and consequently as the density ofthecast'increases the percentage ot water therein diminishes.

I have further found that after the pulp has' lieendeposited against the niold it can be dried to seine extent bv'continuingr the ysaine4 orin-` creasin'gfthe speed up to within certain limits. l. Consider it important in the manufacture v oifliollo'xv pulp articles'in order 'to avoid rup vti-rfeor breakage on the inner face of the article. to speed up the niold to the point ot' required density and maintain' that speed' until thedesired-thickness of pulp libere has been 'i deposited upon the inold 18.

The feedingnieehanisni is prelerablv inthe form of' aidisk QOon the lovver end ofthe shaft` -10,*-vvliieh disk nia)-v have upwardly and outivardlv extend-ing' curved lips or wings for thepurpose of catching,r and carrying the pulpwater to the peripher)v 'et' the disk for the purpose o1 delivering the saine witli'conside `able centrifugal force against the mold 1S and in lines slightly tangential. 1n other words. due to theunequal speeds 'at which tlie' rnold 1S and the disk Q0 are dri ven, the pulp-water .will be t'lirown'oiiE tangentiallvt and this a'c'ti'oiicontributes to' the layingof the pulp iibers'ci'ran euniferentially.- with the result that a niore Veonipaet and a stronger,strueture results. j- In fact. tliehollowpulp cylinder i'ori i i'e l b \r my improved apparatus possesses the character-v vistieofhaving its-'fibers in overlying strata,

the individual fibers lfvingygenerally in a cireumferential'direction.

lYhile I have' 's'liownja feeding-diskfl) as beingl driven at a faste-ifspeed'tlian the per-v forated inold 18; it will be obvious that. because Aofthe d iiference indiarneters of these two parts their:eireuniferential speed will be approxi# I'nately the same'.

22 'ind'ieatesfa :funnel Whose mouth surrounds the shaft 10fs'po as to equally distribute vninety t'eet. per niinute. about seventy-eight grains-iper the. pulpwater over the disk 9.0, said funnel beinje' preleijahli mounted on' die bracket 12,A

so as to heinovahle'therewith and maintain at all tunes a lined relation between the lower extremity ofthe tunnel 1- mouth andl the A ln Fig. l hare shown a inodilied forni ol' distributing-disk inwli-ieh the shaft ll() carries a bell-shaped distrihuter Qioiiits loivereii'd,`

the upwardlvLextending hollow boss on the saine extendingahove the uiouth of theV funnel. l havei'ound that thisarrangement answers equally as well as the llat` disk Q0, as`

the pulpwater'is thrown out h v the .radial ivebs 26 of the bell againstv the inner face of the bell and thence' outwardly, being, discharged troni the mouth of the bell in a'liori Zontal direction.

1 in operation the pulp-Watercontaininga' density, preferably, cit-freni VVtwoto three grains per-cubic inch isvfed into Ythe funnel and distributedlby the disk .2.0 upon lthe perf. .forated mold 18.

llhe driving-beltlisop'- erated at the desired speed'. and. manually or otherwise, the bracket is raised and low` ered.l so as to' feed vthe pulp' lengthwise ythe cylinder 1S. When the desired thickness ol u pulp fibers ofthe required densit)- is'deposited upon the inold 18. the bracket 12 is raised so as to .perni'ii' the reniovaloi' the mold 1S.

.l prefer. to' allow the. hollow pulp article to 'dry in -the Unold 18t when it can be ieiiioved article itself as an article oljinanutaeture, as.

the saine ar'e shownl.-deseriberkraiid clain'ied in eoni'pauion applications filed lfje ineof even date herewith. being Serial Nos. 170,121and 1 l ani aware that iniiior elianjees'in the 'construetion. arrangenient',v and combination of the several pariset my device eau- 'he nitide and substituted; Yl'or those herein slioivnand described without in the least departing 't'rbni the nature and principle oi" niiini'entioii( Having thus described in; invention, what .is elainied as new. .aiuldesired to '-be'seeured by 'Lett-ers Patent, is

1. ln an apparatusot' the lcharacter des' scribed. the con] binati'ou wit-ha driving-sl'iat eariyvingtvvo pulleysI of dili'erent diameters, a perforated inold driven hv one ot said pulvleysand a vi'eediingr device inoiable longitudinally the cylinder driven b v the other of said pulleys; suhstiiiitialh:l asv described.l

'2. 'lnan `apparatus ol. the' character def scribed,l the combination with aperforated mold, ot means forrotatingutliesame, anda pulpd'eeding device movable. longitud-innig! IKO 'the mold, and'meansfor' rotating the feeding deviceat a speed differentl fromthat o f the mold; substantially as described.

` 3. In'an apparatusof 'the -`character de.- scribed, the .combination with -a verticallyarranged rtatable .mold having perforated side walls, and 4 avertically-:movable rotatable `feedingdevice 'acting' centrifugally upon pulp-water tobe deposited against'theinni face of-'th mold; substantially as described.

4 [In an apparatusv ofthe character described, thel .combinationffwithfa rotatable mold, `of a centrifugal feeding-device movable in'an aXial direction .in the mold; substantially scribed, the combination with a rotatable mold having perforated side walls, of a rotating disk] movable in a longitudinal direction relativeto the mold, and apipe for supplying pulp-,water to the disk, said pipe beingconcentric-to said disk; substantially as described.

i scribed, thecombination with a perforated rotatable mold, -of a disk movable in the mold,

projections on the disk, and a ,supply-pipe;

' substantially as described.

8. Inan apparatus of lthe,character del scribed,the combination with a'perforated rotatable mold,l of' a winged distributing-disk -movablein the'mold, and a -supply-pipe for. delivering pulp-water upon lthe'winged disk;

\substantially as described.

9. In anapparatusof the characterdescribed, the combination with a rotatablemold having perforated side walls, ofl a'rotatable distributing element movable longitudinally having perforated side walls, of a distributing element capable ofrelative longitudinal movement with respect to the iznold, means for ro,- .tating said element in its variousp'sitions in the mold, anda feeding device for supplying 'pulp-water tothedistributing element in its different positions; substantially as described.

10. .In anapparatus of-thecharacter described, the combination with a rotatable mold the mold, andmeans for supplying pulp-vga:

Vter to the distributing element, said supply! bracket; substanti'allyas described.

' tially as described.

scribed, the combination with a rotatable head, 'of a perforated cylinder 17 arranged there- 'as described'.

.In testimony whereof I hereunto aflix Iny.-

m'eans being movable ywith the' distributingelement, so that the point of supply bears the saine relation to the distributingelement in the various positions of the latter;l substantially as described. "j

11. In'an apparatusof the character debracket, lof v a lshaft journaled in saidbracket,

f means .for driving said shaft, a disk arranged ponthe" end of said shaft for distributing pulp-water centrifugaHy, andl a supply-tube for the pulp-water surrounding the shaft andv scribed". the combination 'with a'movablehaving its discharge end in proximity to the. disk, said supply-tube being secured to the l 12.` In an vapparatus of the character'described,- the combination with a movable bracket, of a shaft journaled. therein and hav;

fing awinged disk at its lower end, and a fune'.

nelwhose mouth surrounds the shaft so as tb'lv discharge the pulp-water upon the disk, said. funnel being secured to .the bracket; substan- 13. In an apparatus Vof lthe* character de-i the cylinder 17 said cylinder 18 having bent tongues to provide openings and spacing A'meansg substantially as described. i

`7. In an` apparatus of the character idescribed, the combination with a rotatable head 111. In an 'apparatus of the character de- 16, of a perforated cylinder 17 mounted thereon, and a cylinderl 18 `removably mounted on the cylinder 17, saidl cylinder 18 having .tongues 19; substantially as described. 4 v

15. The herein-described niold for paper-l pulp` comprising a shell having .tongues ben scribed.

struck up from the-body portion of the shell; substantially as described. 17. rIhe herein-described mold comprising a shell having outwardly-'bent tongues struck arranged in longitudinal' rows; substantially up from. its body portion, said .tongues being j I.

signature, in the presence of ltwo witnesses, 

